int main(int argc, char** argv) { GLFWwindow* window; struct nk_context* nk; struct nk_font_atlas* atlas; glfwSetErrorCallback(error_callback); if (!glfwInit()) exit(EXIT_FAILURE); glfwWindowHint(GLFW_SCALE_TO_MONITOR, GLFW_TRUE); window = glfwCreateWindow(400, 400, "Opacity", NULL, NULL); if (!window) { glfwTerminate(); exit(EXIT_FAILURE); } glfwMakeContextCurrent(window); gladLoadGL(glfwGetProcAddress); glfwSwapInterval(1); nk = nk_glfw3_init(window, NK_GLFW3_INSTALL_CALLBACKS); nk_glfw3_font_stash_begin(&atlas); nk_glfw3_font_stash_end(); while (!glfwWindowShouldClose(window)) { int width, height; struct nk_rect area; glfwGetWindowSize(window, &width, &height); area = nk_rect(0.f, 0.f, (float) width, (float) height); glClear(GL_COLOR_BUFFER_BIT); nk_glfw3_new_frame(); if (nk_begin(nk, "", area, 0)) { float opacity = glfwGetWindowOpacity(window); nk_layout_row_dynamic(nk, 30, 2); if (nk_slider_float(nk, 0.f, &opacity, 1.f, 0.001f)) glfwSetWindowOpacity(window, opacity); nk_labelf(nk, NK_TEXT_LEFT, "%0.3f", opacity); } nk_end(nk); nk_glfw3_render(NK_ANTI_ALIASING_ON); glfwSwapBuffers(window); glfwWaitEventsTimeout(1.0); } nk_glfw3_shutdown(); glfwTerminate(); exit(EXIT_SUCCESS); }
struct nk_context* initializeUI(GLFWwindow* window) { ctx = nk_glfw3_init(window, NK_GLFW3_INSTALL_CALLBACKS); struct nk_font_atlas *atlas; nk_glfw3_font_stash_begin(&atlas); struct nk_font *droid = nk_font_atlas_add_from_file(atlas, "DroidSans.ttf", 14, 0); nk_glfw3_font_stash_end(); nk_style_set_font(ctx, &droid->handle); return ctx; }
int main(void) { /* Platform */ static GLFWwindow *win; int width = 0, height = 0; struct nk_context *ctx; struct nk_color background; /* GLFW */ glfwSetErrorCallback(error_callback); if (!glfwInit()) { fprintf(stdout, "[GFLW] failed to init!\n"); exit(1); } glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3); glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 3); glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE); #ifdef __APPLE__ glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE); #endif win = glfwCreateWindow(WINDOW_WIDTH, WINDOW_HEIGHT, "Demo", NULL, NULL); glfwMakeContextCurrent(win); glfwGetWindowSize(win, &width, &height); /* OpenGL */ glViewport(0, 0, WINDOW_WIDTH, WINDOW_HEIGHT); glewExperimental = 1; if (glewInit() != GLEW_OK) { fprintf(stderr, "Failed to setup GLEW\n"); exit(1); } ctx = nk_glfw3_init(win, NK_GLFW3_INSTALL_CALLBACKS); /* Load Fonts: if none of these are loaded a default font will be used */ {struct nk_font_atlas *atlas; nk_glfw3_font_stash_begin(&atlas); /*struct nk_font *droid = nk_font_atlas_add_from_file(atlas, "../../../extra_font/DroidSans.ttf", 14, 0);*/ /*struct nk_font *roboto = nk_font_atlas_add_from_file(atlas, "../../../extra_font/Roboto-Regular.ttf", 14, 0);*/ /*struct nk_font *future = nk_font_atlas_add_from_file(atlas, "../../../extra_font/kenvector_future_thin.ttf", 13, 0);*/ /*struct nk_font *clean = nk_font_atlas_add_from_file(atlas, "../../../extra_font/ProggyClean.ttf", 12, 0);*/ /*struct nk_font *tiny = nk_font_atlas_add_from_file(atlas, "../../../extra_font/ProggyTiny.ttf", 10, 0);*/ /*struct nk_font *cousine = nk_font_atlas_add_from_file(atlas, "../../../extra_font/Cousine-Regular.ttf", 13, 0);*/ nk_glfw3_font_stash_end(); /*nk_style_set_font(ctx, &droid->handle);*/} background = nk_rgb(28,48,62); while (!glfwWindowShouldClose(win)) { /* Input */ glfwPollEvents(); nk_glfw3_new_frame(); /* GUI */ {struct nk_panel layout; if (nk_begin(ctx, &layout, "Demo", nk_rect(50, 50, 230, 250), NK_WINDOW_BORDER|NK_WINDOW_MOVABLE|NK_WINDOW_SCALABLE| NK_WINDOW_MINIMIZABLE|NK_WINDOW_TITLE)) { enum {EASY, HARD}; static int op = EASY; static int property = 20; nk_layout_row_static(ctx, 30, 80, 1); if (nk_button_label(ctx, "button", NK_BUTTON_DEFAULT)) fprintf(stdout, "button pressed\n"); nk_layout_row_dynamic(ctx, 30, 2); if (nk_option_label(ctx, "easy", op == EASY)) op = EASY; if (nk_option_label(ctx, "hard", op == HARD)) op = HARD; nk_layout_row_dynamic(ctx, 25, 1); nk_property_int(ctx, "Compression:", 0, &property, 100, 10, 1); {struct nk_panel combo; nk_layout_row_dynamic(ctx, 20, 1); nk_label(ctx, "background:", NK_TEXT_LEFT); nk_layout_row_dynamic(ctx, 25, 1); if (nk_combo_begin_color(ctx, &combo, background, 400)) { nk_layout_row_dynamic(ctx, 120, 1); background = nk_color_picker(ctx, background, NK_RGBA); nk_layout_row_dynamic(ctx, 25, 1); background.r = (nk_byte)nk_propertyi(ctx, "#R:", 0, background.r, 255, 1,1); background.g = (nk_byte)nk_propertyi(ctx, "#G:", 0, background.g, 255, 1,1); background.b = (nk_byte)nk_propertyi(ctx, "#B:", 0, background.b, 255, 1,1); background.a = (nk_byte)nk_propertyi(ctx, "#A:", 0, background.a, 255, 1,1); nk_combo_end(ctx); }} } nk_end(ctx);} /* Draw */ {float bg[4]; nk_color_fv(bg, background); glfwGetWindowSize(win, &width, &height); glViewport(0, 0, width, height); glClear(GL_COLOR_BUFFER_BIT); glClearColor(bg[0], bg[1], bg[2], bg[3]); nk_glfw3_render(NK_ANTI_ALIASING_ON, MAX_VERTEX_BUFFER, MAX_ELEMENT_BUFFER); glfwSwapBuffers(win);} } nk_glfw3_shutdown(); glfwTerminate(); return 0; }
int main(void) { int jid, hat_buttons = GLFW_FALSE; struct nk_context* nk; struct nk_font_atlas* atlas; memset(joysticks, 0, sizeof(joysticks)); glfwSetErrorCallback(error_callback); if (!glfwInit()) exit(EXIT_FAILURE); window = glfwCreateWindow(800, 600, "Joystick Test", NULL, NULL); if (!window) { glfwTerminate(); exit(EXIT_FAILURE); } glfwMakeContextCurrent(window); gladLoadGLLoader((GLADloadproc) glfwGetProcAddress); glfwSwapInterval(1); nk = nk_glfw3_init(window, NK_GLFW3_INSTALL_CALLBACKS); nk_glfw3_font_stash_begin(&atlas); nk_glfw3_font_stash_end(); for (jid = GLFW_JOYSTICK_1; jid <= GLFW_JOYSTICK_LAST; jid++) { if (glfwJoystickPresent(jid)) joysticks[joystick_count++] = jid; } glfwSetJoystickCallback(joystick_callback); while (!glfwWindowShouldClose(window)) { int i, width, height; glfwGetWindowSize(window, &width, &height); glClear(GL_COLOR_BUFFER_BIT); nk_glfw3_new_frame(); if (nk_begin(nk, "Joysticks", nk_rect(width - 200.f, 0.f, 200.f, (float) height), NK_WINDOW_MINIMIZABLE | NK_WINDOW_TITLE)) { nk_layout_row_dynamic(nk, 30, 1); nk_checkbox_label(nk, "Hat buttons", &hat_buttons); if (joystick_count) { for (i = 0; i < joystick_count; i++) { if (nk_button_label(nk, joystick_label(joysticks[i]))) nk_window_set_focus(nk, joystick_label(joysticks[i])); } } else nk_label(nk, "No joysticks connected", NK_TEXT_LEFT); } nk_end(nk); for (i = 0; i < joystick_count; i++) { if (nk_begin(nk, joystick_label(joysticks[i]), nk_rect(i * 20.f, i * 20.f, 550.f, 570.f), NK_WINDOW_BORDER | NK_WINDOW_MOVABLE | NK_WINDOW_SCALABLE | NK_WINDOW_MINIMIZABLE | NK_WINDOW_TITLE)) { int j, axis_count, button_count, hat_count; const float* axes; const unsigned char* buttons; const unsigned char* hats; GLFWgamepadstate state; nk_layout_row_dynamic(nk, 30, 1); nk_label(nk, "Joystick state", NK_TEXT_LEFT); axes = glfwGetJoystickAxes(joysticks[i], &axis_count); buttons = glfwGetJoystickButtons(joysticks[i], &button_count); hats = glfwGetJoystickHats(joysticks[i], &hat_count); if (!hat_buttons) button_count -= hat_count * 4; for (j = 0; j < axis_count; j++) nk_slide_float(nk, -1.f, axes[j], 1.f, 0.1f); nk_layout_row_dynamic(nk, 30, 12); for (j = 0; j < button_count; j++) { char name[16]; snprintf(name, sizeof(name), "%i", j + 1); nk_select_label(nk, name, NK_TEXT_CENTERED, buttons[j]); } nk_layout_row_dynamic(nk, 30, 8); for (j = 0; j < hat_count; j++) hat_widget(nk, hats[j]); nk_layout_row_dynamic(nk, 30, 1); if (glfwGetGamepadState(joysticks[i], &state)) { int hat = 0; const char* names[GLFW_GAMEPAD_BUTTON_LAST + 1 - 4] = { "A", "B", "X", "Y", "LB", "RB", "Back", "Start", "Guide", "LT", "RT", }; nk_label(nk, "Gamepad state", NK_TEXT_LEFT); nk_layout_row_dynamic(nk, 30, 2); for (j = 0; j <= GLFW_GAMEPAD_AXIS_LAST; j++) nk_slide_float(nk, -1.f, state.axes[j], 1.f, 0.1f); nk_layout_row_dynamic(nk, 30, GLFW_GAMEPAD_BUTTON_LAST + 1 - 4); for (j = 0; j <= GLFW_GAMEPAD_BUTTON_LAST - 4; j++) nk_select_label(nk, names[j], NK_TEXT_CENTERED, state.buttons[j]); if (state.buttons[GLFW_GAMEPAD_BUTTON_DPAD_UP]) hat |= GLFW_HAT_UP; if (state.buttons[GLFW_GAMEPAD_BUTTON_DPAD_RIGHT]) hat |= GLFW_HAT_RIGHT; if (state.buttons[GLFW_GAMEPAD_BUTTON_DPAD_DOWN]) hat |= GLFW_HAT_DOWN; if (state.buttons[GLFW_GAMEPAD_BUTTON_DPAD_LEFT]) hat |= GLFW_HAT_LEFT; nk_layout_row_dynamic(nk, 30, 8); hat_widget(nk, hat); } else nk_label(nk, "Joystick has no gamepad mapping", NK_TEXT_LEFT); } nk_end(nk); } nk_glfw3_render(NK_ANTI_ALIASING_ON, 10000, 1000); glfwSwapBuffers(window); glfwPollEvents(); } glfwTerminate(); exit(EXIT_SUCCESS); }
int main(void) { /* Platform */ static GLFWwindow *win; int width = 0, height = 0; struct nk_context *ctx; struct nk_colorf bg; /* GLFW */ glfwSetErrorCallback(error_callback); if (!glfwInit()) { fprintf(stdout, "[GFLW] failed to init!\n"); exit(1); } win = glfwCreateWindow(WINDOW_WIDTH, WINDOW_HEIGHT, "Demo", NULL, NULL); glfwMakeContextCurrent(win); glfwGetWindowSize(win, &width, &height); /* GUI */ ctx = nk_glfw3_init(win, NK_GLFW3_INSTALL_CALLBACKS); /* Load Fonts: if none of these are loaded a default font will be used */ /* Load Cursor: if you uncomment cursor loading please hide the cursor */ {struct nk_font_atlas *atlas; nk_glfw3_font_stash_begin(&atlas); /*struct nk_font *droid = nk_font_atlas_add_from_file(atlas, "../../../extra_font/DroidSans.ttf", 14, 0);*/ /*struct nk_font *roboto = nk_font_atlas_add_from_file(atlas, "../../../extra_font/Roboto-Regular.ttf", 14, 0);*/ /*struct nk_font *future = nk_font_atlas_add_from_file(atlas, "../../../extra_font/kenvector_future_thin.ttf", 13, 0);*/ /*struct nk_font *clean = nk_font_atlas_add_from_file(atlas, "../../../extra_font/ProggyClean.ttf", 12, 0);*/ /*struct nk_font *tiny = nk_font_atlas_add_from_file(atlas, "../../../extra_font/ProggyTiny.ttf", 10, 0);*/ /*struct nk_font *cousine = nk_font_atlas_add_from_file(atlas, "../../../extra_font/Cousine-Regular.ttf", 13, 0);*/ nk_glfw3_font_stash_end(); /*nk_style_load_all_cursors(ctx, atlas->cursors);*/ /*nk_style_set_font(ctx, &droid->handle);*/} #ifdef INCLUDE_STYLE /*set_style(ctx, THEME_WHITE);*/ /*set_style(ctx, THEME_RED);*/ /*set_style(ctx, THEME_BLUE);*/ /*set_style(ctx, THEME_DARK);*/ #endif bg.r = 0.10f, bg.g = 0.18f, bg.b = 0.24f, bg.a = 1.0f; while (!glfwWindowShouldClose(win)) { /* Input */ glfwPollEvents(); nk_glfw3_new_frame(); /* GUI */ if (nk_begin(ctx, "Demo", nk_rect(50, 50, 230, 250), NK_WINDOW_BORDER|NK_WINDOW_MOVABLE|NK_WINDOW_SCALABLE| NK_WINDOW_MINIMIZABLE|NK_WINDOW_TITLE)) { enum {EASY, HARD}; static int op = EASY; static int property = 20; nk_layout_row_static(ctx, 30, 80, 1); if (nk_button_label(ctx, "button")) fprintf(stdout, "button pressed\n"); nk_layout_row_dynamic(ctx, 30, 2); if (nk_option_label(ctx, "easy", op == EASY)) op = EASY; if (nk_option_label(ctx, "hard", op == HARD)) op = HARD; nk_layout_row_dynamic(ctx, 25, 1); nk_property_int(ctx, "Compression:", 0, &property, 100, 10, 1); nk_layout_row_dynamic(ctx, 20, 1); nk_label(ctx, "background:", NK_TEXT_LEFT); nk_layout_row_dynamic(ctx, 25, 1); if (nk_combo_begin_color(ctx, nk_rgb_cf(bg), nk_vec2(nk_widget_width(ctx),400))) { nk_layout_row_dynamic(ctx, 120, 1); bg = nk_color_picker(ctx, bg, NK_RGBA); nk_layout_row_dynamic(ctx, 25, 1); bg.r = nk_propertyf(ctx, "#R:", 0, bg.r, 1.0f, 0.01f,0.005f); bg.g = nk_propertyf(ctx, "#G:", 0, bg.g, 1.0f, 0.01f,0.005f); bg.b = nk_propertyf(ctx, "#B:", 0, bg.b, 1.0f, 0.01f,0.005f); bg.a = nk_propertyf(ctx, "#A:", 0, bg.a, 1.0f, 0.01f,0.005f); nk_combo_end(ctx); } } nk_end(ctx); /* -------------- EXAMPLES ---------------- */ #ifdef INCLUDE_CALCULATOR calculator(ctx); #endif #ifdef INCLUDE_OVERVIEW overview(ctx); #endif #ifdef INCLUDE_NODE_EDITOR node_editor(ctx); #endif /* ----------------------------------------- */ /* Draw */ glfwGetWindowSize(win, &width, &height); glViewport(0, 0, width, height); glClear(GL_COLOR_BUFFER_BIT); glClearColor(bg.r, bg.g, bg.b, bg.a); /* IMPORTANT: `nk_glfw_render` modifies some global OpenGL state * with blending, scissor, face culling and depth test and defaults everything * back into a default state. Make sure to either save and restore or * reset your own state after drawing rendering the UI. */ nk_glfw3_render(NK_ANTI_ALIASING_ON); glfwSwapBuffers(win); } nk_glfw3_shutdown(); glfwTerminate(); return 0; }
int main(int argc, char** argv) { GLFWmonitor* monitor = NULL; GLFWwindow* window; GLFWgammaramp orig_ramp; struct nk_context* nk; struct nk_font_atlas* atlas; float gamma_value = 1.f; glfwSetErrorCallback(error_callback); if (!glfwInit()) exit(EXIT_FAILURE); monitor = glfwGetPrimaryMonitor(); window = glfwCreateWindow(800, 400, "Gamma Test", NULL, NULL); if (!window) { glfwTerminate(); exit(EXIT_FAILURE); } { const GLFWgammaramp* ramp = glfwGetGammaRamp(monitor); const size_t array_size = ramp->size * sizeof(short); orig_ramp.size = ramp->size; orig_ramp.red = malloc(array_size); orig_ramp.green = malloc(array_size); orig_ramp.blue = malloc(array_size); memcpy(orig_ramp.red, ramp->red, array_size); memcpy(orig_ramp.green, ramp->green, array_size); memcpy(orig_ramp.blue, ramp->blue, array_size); } glfwMakeContextCurrent(window); gladLoadGLLoader((GLADloadproc) glfwGetProcAddress); glfwSwapInterval(1); nk = nk_glfw3_init(window, NK_GLFW3_INSTALL_CALLBACKS); nk_glfw3_font_stash_begin(&atlas); nk_glfw3_font_stash_end(); glfwSetKeyCallback(window, key_callback); while (!glfwWindowShouldClose(window)) { int width, height; struct nk_rect area; glfwGetWindowSize(window, &width, &height); area = nk_rect(0.f, 0.f, (float) width, (float) height); nk_window_set_bounds(nk, "", area); glClear(GL_COLOR_BUFFER_BIT); nk_glfw3_new_frame(); if (nk_begin(nk, "", area, 0)) { const GLFWgammaramp* ramp; nk_layout_row_dynamic(nk, 30, 3); if (nk_slider_float(nk, 0.1f, &gamma_value, 5.f, 0.1f)) glfwSetGamma(monitor, gamma_value); nk_labelf(nk, NK_TEXT_LEFT, "%0.1f", gamma_value); if (nk_button_label(nk, "Revert")) glfwSetGammaRamp(monitor, &orig_ramp); ramp = glfwGetGammaRamp(monitor); nk_layout_row_dynamic(nk, height - 60.f, 3); chart_ramp_array(nk, nk_rgb(255, 0, 0), ramp->size, ramp->red); chart_ramp_array(nk, nk_rgb(0, 255, 0), ramp->size, ramp->green); chart_ramp_array(nk, nk_rgb(0, 0, 255), ramp->size, ramp->blue); } nk_end(nk); nk_glfw3_render(NK_ANTI_ALIASING_ON); glfwSwapBuffers(window); glfwWaitEventsTimeout(1.0); } free(orig_ramp.red); free(orig_ramp.green); free(orig_ramp.blue); nk_glfw3_shutdown(); glfwTerminate(); exit(EXIT_SUCCESS); }